Thought mission builders might appreciate a resource to identify the vehicles and artillery in the game. The names in the mission builder don't identify country or weapon size (unless you recognize the historical name) so thought this guide might be helpful. Not perfect, but what I could gleen from Wikipedia. I was careful with the plan views to keep the scale the same, so could be useful for target i.d. as well

GAZ or Gorkovsky Avtomobilny Zavod (Russia, Nizhny Novgorod), translated as Gorky Automobile Plant (Russian: ГАЗ or Го́рьковский автомоби́льный заво́д), started in 1932 as NAZ, a cooperative enterprise between Ford and the Soviet Union, as a result of a Five year plan.